Expands or collapses the list of child items associated with the specified parent item, if any
#include <GuiTreeView.au3>
_GUICtrlTreeView_Expand ( $hWnd [, $hItem = Null [, $bExpand = True]] )
| $hWnd | Control ID/Handle to the control |
| $hItem | [optional] Handle to the item |
| $bExpand | [optional] Expand or Collapse, use the following values: True - Expand items False - Collapse items |
_GUICtrlTreeView_ExpandedOnce, _GUICtrlTreeView_GetExpanded
#include <GUIConstantsEx.au3>
#include <GuiTreeView.au3>
#include <MsgBoxConstants.au3>
#include <WindowsConstants.au3>
Example()
Func Example()
GUICreate("TreeView Expand (v" & @AutoItVersion & ")", 400, 300)
Local $iStyle = BitOR($TVS_EDITLABELS, $TVS_HASBUTTONS, $TVS_HASLINES, $TVS_LINESATROOT, $TVS_DISABLEDRAGDROP, $TVS_SHOWSELALWAYS, $TVS_CHECKBOXES)
Local $idTreeView = GUICtrlCreateTreeView(2, 2, 396, 268, $iStyle, $WS_EX_CLIENTEDGE)
GUISetState(@SW_SHOW)
; Set ANSI format
;~ _GUICtrlTreeView_SetUnicodeFormat($idTreeView, False)
_GUICtrlTreeView_BeginUpdate($idTreeView)
Local $aidItem[5]
For $x = 0 To 4
$aidItem[$x] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x), $idTreeView)
For $y = 0 To 2
GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $y), $aidItem[$x])
Next
Next
_GUICtrlTreeView_EndUpdate($idTreeView)
MsgBox($MB_SYSTEMMODAL, "Information", "Expand All")
_GUICtrlTreeView_Expand($idTreeView)
MsgBox($MB_SYSTEMMODAL, "Information", "Collapse All")
_GUICtrlTreeView_Expand($idTreeView, 0, False)
MsgBox($MB_SYSTEMMODAL, "Information", "Expand item 1")
_GUICtrlTreeView_Expand($idTreeView, $aidItem[1])
MsgBox($MB_SYSTEMMODAL, "Information", "Collapse item 1")
_GUICtrlTreeView_Expand($idTreeView, $aidItem[1], False)
; Loop until the user exits.
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
GUIDelete()
EndFunc ;==>Example